A comparative study of weaving sections in TRANSIMS and Highway Capacity Manual

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Abstract

Weaving is defined as the crossing of two or more traffic streams traveling in the same
direction along a significant length of the highway without the aid of traffic control
devices. The traditional methods used for the design and operational analysis of a
highway is the Highway Capacity Manual (HCM). These traditional methods in the
manual use road geometry and traffic volumes as input and provide an estimate of the
speed as an output. TRANSIMS is a new computer simulation package in transportation
that can be used as an analysis as well as a planning tool. The Microsimulator in
TRANSIMS deals with the actual simulation of traffic on roadways. The intent of this
research is to evaluate TRANSIMS Microsimulator and compare it with the traditional
Highway Capacity Manual in modeling the weaving sections on a freeway and make
recommendations. This research will also compare the modeling strategy and provide
analysis of the output.